- 12 digital opto-isolated inputs (9VDC to 24VDC common to power used)- 8 digital opto-isolated outputs (48V, 100 mA maxi, two commons independents - per 4 outputs group)- Quality connectors with Phoenix Contact terminal blocks (5.08 mm pitch)- 1 user Push Button (that can be used in the prog to ack defaults, give an order, ... ) and a green LED for user information (also to be used in the prog).